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KVM Virsh Console Access On CentOS 6
Step #1
vi /boot/grub/menu.lst
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/sda3
# initrd /initrd-[generic-]version.img
#boot=/dev/sda
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
serial -–unit=0 –speed=115200
terminal –-timeout=10 console serial
hiddenmenu
title CentOS (2.6.32-696.16.1.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-696.16.1.el6.x86_64 ro root=UUID=032b264d-f0f8-45a5-b092-ece4fa4ff30d
rd_NO_LUKS LANG=ko_KR.UTF-8 nomodeset crashkernel=auto rhgb quiet rd_NO_MD crashkernel=auto KEYBOARDTYPE=pc
KEYTABLE=us rd_NO_LVM rd_NO_DM rhgb quiet console=tty0 console=ttyS0,115200
initrd /initramfs-2.6.32-696.16.1.el6.x86_64.img
title CentOS 6 (2.6.32-696.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-696.el6.x86_64 ro root=UUID=032b264d-f0f8-45a5-b092-ece4fa4ff30d
rd_NO_LUKS LANG=ko_KR.UTF-8 nomodeset crashkernel=auto rhgb quiet rd_NO_MD crashkernel=auto
KEYBOARDTYPE=pc KEYTABLE=us rd_NO_LVM rd_NO_DM rhgb quiet
initrd /initramfs-2.6.32-696.el6.x86_64.img
-----
splashimage=(hd0,0)/grub/splash.xpm.gz
serial -–unit=0 –speed=115200
KEYTABLE=us rd_NO_LVM rd_NO_DM rhgb quiet console=tty0 console=ttyS0,115200
initrd /initramfs-2.6.32-696.16.1.el6.x86_64.img
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Step #2
vi /etc/inittab
...
# Default runlevel. The runlevels used are:
# 0 - halt (Do NOT set initdefault to this)
# 1 - Single user mode
# 2 - Multiuser, without NFS (The same as 3, if you do not have networking)
# 3 - Full multiuser mode
# 4 - unused
# 5 - X11
# 6 - reboot (Do NOT set initdefault to this)
#
S0:2345:respawn:/sbin/agetty ttyS0 115200 linux
id:3:initdefault:
-----
S0:2345:respawn:/sbin/agetty ttyS0 115200 linux
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Step #3
vi /etc/securetty
console
vc/1
vc/2
vc/3
vc/4
vc/5
vc/6
vc/7
vc/8
vc/9
vc/10
vc/11
tty1
tty2
tty3
tty4
tty5
tty6
tty7
tty8
tty9
tty10
tty11
ttyS0
-----
ttyS0
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Step #4
vi /etc/init/ttyS0.conf
stop on run level [S016]
start on runlevel [345]
respawn
instance /dev/ttyS0
exec /sbin/mingetty /dev/ttyS0
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stop on runlevel [S016]
start on runlevel [345]
respawn
instance /dev/ttyS0
exec /sbin/mingetty /dev/ttyS0
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Step #5
initctl start ttyS0
Step #6
reboot
참고URL :
https://www.cyberciti.biz/faq/centos-rhel-6-install-serial-console/
https://sathisharthars.com/2013/05/03/setting-up-a-serial-console-in-qemu-and-libvirt/
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